Allow unstable-darwin-objc in examples to enable recursively

There isn't stability issues with this, since we don't ship the
examples. And this more clearly shows what users would want to do.

Author: madsmtm

Cargo.lock

@@ -19,7 +19,11 @@ name = "hello_world_app"
 path = "hello_world_app.rs"
 
 [features]
-unstable-darwin-objc = []
+unstable-darwin-objc = [
+    "objc2/unstable-darwin-objc",
+    "objc2-app-kit/unstable-darwin-objc",
+    "objc2-foundation/unstable-darwin-objc",
+]
 
 [dependencies]
 objc2 = "0.6.2"

examples/app/Cargo.toml

@@ -10,7 +10,10 @@ name = "speech_synthesis"
 path = "speech_synthesis.rs"
 
 [features]
-unstable-darwin-objc = []
+unstable-darwin-objc = [
+    "objc2/unstable-darwin-objc",
+    "objc2-foundation/unstable-darwin-objc",
+]
 
 [dependencies]
 objc2 = "0.6.2"

examples/audio/Cargo.toml

@@ -14,7 +14,16 @@ name = "default_xcode_game"
 path = "default_xcode_game/main.rs"
 
 [features]
-unstable-darwin-objc = []
+unstable-darwin-objc = [
+    "objc2/unstable-darwin-objc",
+    "objc2-app-kit/unstable-darwin-objc",
+    "objc2-core-foundation/unstable-darwin-objc",
+    "objc2-foundation/unstable-darwin-objc",
+    "objc2-metal-kit/unstable-darwin-objc",
+    "objc2-metal/unstable-darwin-objc",
+    "objc2-model-io/unstable-darwin-objc",
+    "objc2-quartz-core/unstable-darwin-objc",
+]
 
 [dependencies]
 objc2 = "0.6.2"
@@ -65,6 +74,7 @@ objc2-core-foundation = { version = "0.3.1", default-features = false, features
     "std",
     "CFCGTypes",
 ] }
+objc2-quartz-core = { version = "0.3.1", default-features = false, features = [] }
 
 [target.'cfg(target_os = "macos")'.dependencies]
 objc2-app-kit = { version = "0.3.1", default-features = false, features = [

examples/metal/Cargo.toml

@@ -14,7 +14,12 @@ name = "ui_test"
 path = "ui_test.rs"
 
 [features]
-unstable-darwin-objc = []
+unstable-darwin-objc = [
+    "objc2/unstable-darwin-objc",
+    "objc2-foundation/unstable-darwin-objc",
+    "objc2-xc-test/unstable-darwin-objc",
+    "objc2-xc-ui-automation/unstable-darwin-objc",
+]
 
 [dependencies]
 objc2 = "0.6.2"

examples/testing/Cargo.toml

@@ -10,7 +10,12 @@ name = "browser"
 path = "browser.rs"
 
 [features]
-unstable-darwin-objc = []
+unstable-darwin-objc = [
+    "objc2/unstable-darwin-objc",
+    "objc2-app-kit/unstable-darwin-objc",
+    "objc2-foundation/unstable-darwin-objc",
+    "objc2-web-kit/unstable-darwin-objc",
+]
 
 [dependencies]
 objc2 = "0.6.2"